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Hi, I use a db9 to usb converter and my problem is solved … thank you !

Hi, Thank’s for your response ! I try with all possible bauds rate, with putty, Tera term, realterm, ncom and on my MacBook. With ftdi232 and usb2ttl but i always have the same problem

hi, i have also try with usb2ttl but i have the same problem. please help me ! bye

Hi, how did you solve your problem ? I im in the same case. Thank's in advance Bye

Hi everybody, thank's a lot for yout help !!! i have an issue with an nvr 5216. I don't have admin password and all procedures dosen't work. i 'm testing rs232 connection but with my pc serial port but I don't have connection with nvr. so i'm testing connection with ftdi232 adaptator. i have...